Q: What is the negative version of the number 20,513,138?
A: -20,513,138
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 20,513,136 | 20,513,137 | 20,513,139 | 20,513,140 |
| -20,513,136 | -20,513,137 | -20,513,139 | -20,513,140 |